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-rw-r--r--math/bits/mathcalls.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/math/bits/mathcalls.h b/math/bits/mathcalls.h
index 9a7b3f0..e2cf49f 100644
--- a/math/bits/mathcalls.h
+++ b/math/bits/mathcalls.h
@@ -294,6 +294,13 @@ __MATHCALLX (nextafter,, (_Mdouble_ __x, _Mdouble_ __y), (__const__));
__MATHCALLX (nexttoward,, (_Mdouble_ __x, long double __y), (__const__));
# endif
+#ifdef __USE_GNU
+/* Return X - epsilon. */
+__MATHCALL (nextdown,, (_Mdouble_ __x));
+/* Return X + epsilon. */
+__MATHCALL (nextup,, (_Mdouble_ __x));
+# endif
+
/* Return the remainder of integer divison X / Y with infinite precision. */
__MATHCALL (remainder,, (_Mdouble_ __x, _Mdouble_ __y));